1. Department of Musculoskeletal Surgery and DiseasesTampere University Hospital Tampere Finland
2. Central Finland Health Care District Jyväskylä Finland
3. Faculty of Medicine and Health TechnologyTampere University Tampere Finland
4. Faculty of Social SciencesTampere University Tampere Finland
5. Department of Pathology, Fimlab LaboratoriesTampere University Hospital Tampere Finland